Home / 11,926.67-17,891.63-4,136.09

Finding the Fourth Proportional to 11,926.67, 17,891.63 and 4,136.09

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Solution

The fourth proportional to 11,926.67, 17,891.63 and 4,136.09 is: 6,204.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,926.67 : 17,891.63 = 4,136.09 : x
  2. Step 2: Convert to fraction form
    11,926.67/17,891.63 = 4,136.09/x
  3. Step 3: Cross multiply
    11,926.67x = 17,891.63 × 4,136.09
  4. Step 4: Simplify right side
    11,926.67x = 74,001,371.25
  5. Step 5: Solve for x
    x = 74,001,371.25/11,926.67
  6. Step 6: Final answer
    x = 6,204.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.